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Despite a large global search, combining strong correlations and electronic topological twists in one material has so far been limited to the discovery of a single material: the Kondo insulator SmB6. We present new insights on the formation of the Kondo insulating state in our latest publication.

The first paper of the group has been accepted for publication in Scientific Reports. In this paper we show that the optical conductivity of the electron doped iron-pnictide superconductor BaFe1.8Co0.2As2 provides strong evidence for a Fermi liquid like normal state.